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Incorporating random CrazyParticle addition and refactoring logic in dead.

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This commit is contained in:
Yong Bakos
2013-02-21 18:55:53 -07:00
parent 80d417e4b2
commit 0d6af35842
1 changed files with 10 additions and 7 deletions
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17
java/examples/Topics/Simulate/MultipleParticleSystems/ParticleSystem.pde
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@@ -16,7 +16,7 @@ class ParticleSystem {
}
void run() {
// Cycle through the ArrayList using Iterator we are deleting
// Cycle through the ArrayList using Iterator, because we are deleting while iterating
Iterator<Particle> it = particles.iterator();
while (it.hasNext()) {
Particle p = it.next();
@@ -28,7 +28,14 @@ class ParticleSystem {
}
void addParticle() {
particles.add(new Particle(origin));
Particle p;
// Add either a Particle or CrazyParticle to the system
if (int(random(0, 2)) == 0) {
p = new Particle(origin);
} else {
p = new CrazyParticle(origin);
}
particles.add(p);
}
void addParticle(Particle p) {
@@ -37,11 +44,7 @@ class ParticleSystem {
// A method to test if the particle system still has particles
boolean dead() {
if (particles.isEmpty()) {
return true;
} else {
return false;
}
return particles.isEmpty();
}
}